CN103660155A - Glue feeding mold - Google Patents
Glue feeding mold Download PDFInfo
- Publication number
- CN103660155A CN103660155A CN201210396765.2A CN201210396765A CN103660155A CN 103660155 A CN103660155 A CN 103660155A CN 201210396765 A CN201210396765 A CN 201210396765A CN 103660155 A CN103660155 A CN 103660155A
- Authority
- CN
- China
- Prior art keywords
- plastics
- chamber
- sealing rubber
- storage chamber
- rubber die
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003292 glue Substances 0.000 title abstract 6
- 239000004033 plastic Substances 0.000 claims abstract description 114
- 229920003023 plastic Polymers 0.000 claims abstract description 114
- 238000003860 storage Methods 0.000 claims abstract description 65
- 238000002347 injection Methods 0.000 claims abstract description 17
- 239000007924 injection Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000000465 moulding Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 4
- 238000007667 floating Methods 0.000 description 4
- 238000010023 transfer printing Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1047—Apparatus or installations for supplying liquid or other fluent material comprising a buffer container or an accumulator between the supply source and the applicator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14688—Coating articles provided with a decoration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0025—Applying surface layers, e.g. coatings, decorative layers, printed layers, to articles during shaping, e.g. in-mould printing
- B29C37/0028—In-mould coating, e.g. by introducing the coating material into the mould after forming the article
- B29C2037/0035—In-mould coating, e.g. by introducing the coating material into the mould after forming the article the coating being applied as liquid, gel, paste or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2703—Means for controlling the runner flow, e.g. runner switches, adjustable runners or gates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2703—Means for controlling the runner flow, e.g. runner switches, adjustable runners or gates
- B29C45/2704—Controlling the filling rates or the filling times of two or more mould cavities by controlling the cross section or the length of the runners or the gates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
A glue feeding mold comprises a pouring gate and a gate structure. The runner is used for filling plastic. The gate structure comprises a storage cavity, a glue flow channel and an injection cavity. The storage cavity is connected with the pouring channel and is used for storing the plastic injected through the pouring channel. The glue flow channel is communicated with the storage cavity and is used for carrying the plastic flowing into the storage cavity so as to uniformly distribute the plastic. The glue flow passage is provided with a protruding buffer cavity, wherein the buffer cavity is positioned between the storage cavity and the injection cavity and is used for changing the speed of the plastic in the glue flow passage and reducing the temperature of the plastic flowing to the surface of the workpiece.
Description
Technical field
The invention relates to a kind of mould, and particularly relevant for a kind of sealing rubber die that enters that is applied to in-mold transfer printing (In-Mold Roller, IMR) mould.
Background technology
Current numerous electronic installation, such as mobile computer, tablet PC or mobile phone etc. often can increase figure line or color, so that electronic installation increases overall aesthetic on the surface of casing.Mostly the existing mode at the surface of casing formation figure line or color is to spray or the mode such as printing is made.Yet the process for treating surface of spraying is complicated, and its processing procedure belongs to high pollution, and printing is limited to the chemical property of material, so that cannot make preferably outward appearance.
If will form preferably figure line on casing, the common practice is to utilize in-mold transfer printing (IMR) at present.First, a film with decorative motifs is placed in to ejection shaping die.Then, to be poured in a side of film and thermoplastic resin and film are mutually combined be a decorated molded thing to thermoplastic resin.Finally, this decorated molded thing is taken out from mould.So,, complete in-mold transfer printing processing procedure.Yet, along with the thickness of casing is tending towards slimming gradually, for improving intensity and the rigidity of casing, need in plastics, add glass fibre, but due to high glass fiber plastic properties of materials need be under the situation of high temperature and maintain good mobility just can reach when the injection molding surface gloss high, without joint line or floating fine effect, therefore make ejection formation condition more harsh (being for example high rate of fire), easily cause decorating film and casing in the flaw in conjunction with rear generation outward appearance.
Summary of the invention
The invention provides a kind of sealing rubber die that enters, it can slow down the speed of plastics when penetrating and reduce the temperature that plastics flow to surface of the work, so that workpiece has better outward appearance.
The present invention proposes a kind ofly to enter sealing rubber die and comprise a running channel and a pouring gate structure.Running channel is in order to filling one plastics.Pouring gate structure comprises that a storage chamber, a solation road and inject chamber.The plastics that storage chamber is communicated with running channel and injects via running channel in order to storage.Solation road connects storage chamber, and solation road is in order to take advantage of the plastics that carry storage chamber inflow, so that plastics are uniformly distributed.Solation road has the cushion chamber of a projection, and wherein cushion chamber is at storage chamber and inject between chamber, and in order to change the VELOCITY DISTRIBUTION of plastics in solation road and to reduce the temperature that plastics flow to surface of the work.
The present invention also proposes a kind ofly to enter sealing rubber die and comprise a running channel and a pouring gate structure.Running channel is in order to filling one plastics.Pouring gate structure comprises that a storage chamber, a solation road and inject chamber.The plastics that storage chamber is communicated with running channel and injects via running channel in order to storage.Solation road is communicated with storage chamber and carries in order to take advantage of the plastics that storage chamber flows into, so that plastics are uniformly distributed.Inject the bumper angle that chamber is communicated with solation road and has a cambered surface, wherein bumper angle is in order to slow down the injection rate of plastics and to reduce the temperature that plastics flow to surface of the work.
The present invention also proposes a kind ofly to enter sealing rubber die and comprise a running channel and a pouring gate structure.Running channel is in order to filling one plastics.Pouring gate structure comprises that a storage chamber, a solation road and inject chamber.The plastics that storage chamber is communicated with running channel and injects via running channel in order to storage.Solation road is communicated with storage chamber and carries in order to take advantage of the plastics that storage chamber flows into, so that plastics are uniformly distributed.Inject chamber and be communicated with solation road, and at the width in the cross section in the injection chamber of the side away from storage chamber by the central authorities in cross section towards the two ends in cross section convergent, to slow down the injection rate of plastics and to reduce the temperature that plastics flow to surface of the work.
Based on above-mentioned, the present invention utilizes the bossed cushion chamber of solation stage property, injection chamber have the bumper angle of cambered surface or inject the cross-sectional width that chamber has gradual change, thereby can slow down plastics speed and make plastics Uniform Flow, can reduce the temperature that plastics flow to surface of the work simultaneously, with reach surface gloss high, without joint line or floating fine effect, allow workpiece after moulding, there is better outward appearance.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate appended graphic being described in detail below.
Accompanying drawing explanation
Figure 1A is the stereogram that enters sealing rubber die of first embodiment of the invention.
Figure 1B is the front view that enters sealing rubber die of Figure 1A.
Fig. 1 C is the side view that enters sealing rubber die of Figure 1A.
Fig. 2 A is the stereogram that enters sealing rubber die of second embodiment of the invention.
Fig. 2 B is the front view that enters sealing rubber die of Fig. 2 A.
Fig. 2 C is the side view that enters sealing rubber die of Fig. 2 A.
Fig. 3 A is the stereogram that enters sealing rubber die of third embodiment of the invention.
Fig. 3 B is the front view that enters sealing rubber die of Fig. 3 A.
Fig. 3 C is the side view that enters sealing rubber die of Fig. 3 A.
Fig. 4 A is the stereogram that enters sealing rubber die of fourth embodiment of the invention.
Fig. 4 B is the front view that enters sealing rubber die of Fig. 4 A.
Fig. 4 C is the side view that enters sealing rubber die of Fig. 4 A.
Fig. 5 A is the stereogram that enters sealing rubber die of fifth embodiment of the invention.
Fig. 5 B is the front view that enters sealing rubber die of Fig. 5 A.
Fig. 5 C is the side view that enters sealing rubber die of Fig. 5 A.
Fig. 6 A is the stereogram that enters sealing rubber die of sixth embodiment of the invention.
Fig. 6 B is the front view that enters sealing rubber die of Fig. 6 A.
Fig. 6 C is the side view that enters sealing rubber die of Fig. 6 A.
Fig. 7 A is the stereogram that enters sealing rubber die of seventh embodiment of the invention.
Fig. 7 B is the front view that enters sealing rubber die of Fig. 7 A.
Fig. 7 C is the side view that enters sealing rubber die of Fig. 7 A.
Primary clustering symbol description
10a, 10b, 10c, 10d, 10e, 10f, 10g: enter sealing rubber die
20: workpiece
22: surface
50: running channel
100a, 100b, 100c, 100d, 100e, 100f, 100g: pouring gate structure
110: storage chamber
120: solation road
120a: side
122: cushion chamber
124: bumper angle
125: inject chamber
126: cross section
D1, D2: bearing of trend
The specific embodiment
The first embodiment
Figure 1A is the stereogram that enters sealing rubber die of first embodiment of the invention.Figure 1B is the front view that enters sealing rubber die of Figure 1A.Fig. 1 C is the side view that enters sealing rubber die of Figure 1A.Please refer to Figure 1A to Fig. 1 C, in the present embodiment, enter sealing rubber die 10a and be applicable to ejection shaping die (not illustrating), and can be applied to especially the ejection shaping die (not illustrating) of in-mold transfer printing (IMR).Enter sealing rubber die 10a and be connected with the die cavity (not illustrating) of workpiece 20, and enter sealing rubber die 10a and comprise running channel 50 and pouring gate structure 100a.When hot melting plastic is penetrated via the nozzle (not illustrating) of Jet forming machine (not illustrating), plastics are filled with and enter in running channel 50 and pass through pouring gate structure 100a, and plastic warp is filled in die cavity (not illustrating) by pouring gate structure 100a.Then, after plastics are cooling, the plastics that remain in running channel 50 and in pouring gate structure 100a form into sealing rubber die structure (not illustrating), and are positioned at the plastics formation workpiece 20 of die cavity.It should be noted that, for making view clear, Figure 1A omits illustrating of workpiece 20, and Figure 1B and Fig. 1 C omit the part lines into sealing rubber die 10a.
Then, at plastics cooling and be ejected after, enter sealing rubber die structure and workpiece 20 and can be produced simultaneously and enter on the surface 22 that sealing rubber die structure is connected to workpiece 20.Then, will enter sealing rubber die structure separated with workpiece 20, and complete the production of workpiece 20, the workpiece 20 of wherein this enforcement is consisted of plastics and in-mold transfer thin membrane, can decorate by this outward appearance of workpiece 20, with the overall aesthetic of improving product.
Hold above-mentionedly, pouring gate structure 100a comprises that a storage chamber 110, solation road 120 and one inject chamber 125.Storage chamber 110 is communicated with running channel 50 and is strip, and storage chamber 110 is in order to store the plastics that inject via running channel 50.Solation road 120 is communicated with storage chamber 110 also in the form of sheets, and solation road 120 is in order to take advantage of the plastics that carry storage chamber 110 inflows, so that plastics are evenly distributed.Solation road 120 has the cushion chamber 122 of a projection, and wherein cushion chamber 122 is at storage chamber 110 and inject between chamber 125, and cushion chamber 122 is in order to change the speed of plastics in solation road 120.In detail, when hot melting plastic enters pouring gate structure 100a via running channel 50, plastics first flow in storage chamber 110, to slow down in advance the flow velocity of plastics.In addition, because storage chamber 110 has the external form of strip profile, so can allow plastics be distributed uniformly in advance.
Then, plastic continuing is in the interior space of flowing and filling up storage chamber 110 of storage chamber 110, and the person's of connecing plastic flow is to solation road 120.Owing to increasing by a cushion chamber 122 on the surface in solation road 120, so the thickness in solation road 120 is increased.By this, can again slow down the flow velocity of plastics.Then, plastics fill up the space of cushion chamber 122 and also flow in the space in solation road 120 and to injecting behind chamber 125, plastics start to enter in die cavity and fill in gradually into chamber 125 and form gradually workpiece 20.Finally, at plastics, fully fill up after die cavity, enter sealing rubber die structure and workpiece 20 is done.By this, enter the feature that sealing rubber die 10a has multiple tracks reducing speed, can slow down the speed of plastics when penetrating and make stable the flowing of plastics, to avoid excessive velocities, cause film to be shifted, make the outward appearance of workpiece 20 produce flaw.In addition,, because the speed of plastics is slowed down, therefore can reduce plastics and the shear heat of mould wall because rubbing and producing.By this, can reduce the temperature that plastics flow to surface of the work, with reach surface gloss high, without joint line or floating fine effect so that workpiece has preferably outward appearance after moulding.In other words, can reduce thermal source and be passed to film, to avoid film to be melted.By this, also can make workpiece 20 after moulding, there is good outward appearance.
In addition, the bearing of trend D1 of the cushion chamber 122 of the present embodiment is parallel to the bearing of trend D2 of storage chamber 110.Mode, can increase the plot ratio of plastics in entering sealing rubber die 10a by this, also contributes to slow down the speed of plastics.
In addition, in following situation, also contribute to slow down the speed of plastics.In detail, the length of the cushion chamber 122 of the present embodiment is greater than 1/2nd length of the length of injecting chamber 125.When plastic warp flows to injection chamber 125 by solation road 120, because the length of cushion chamber 122 approaches the length in injection chamber 125, so also can improve the plot ratio of plastics in entering sealing rubber die 10a, thereby slow down the flowing velocity of plastics.In addition, the thickness of the projection of cushion chamber 122 is less than the thickness of the projection of storage chamber 110, also contributes to slow down the speed of plastics when flowing.
The second embodiment
Fig. 2 A is the stereogram that enters sealing rubber die of second embodiment of the invention.Fig. 2 B is the front view that enters sealing rubber die of Fig. 2 A.Fig. 2 C is the side view that enters sealing rubber die of Fig. 2 A.Please refer to Fig. 2 A to Fig. 2 C, in the present embodiment, enter sealing rubber die 10b and the first embodiment to enter sealing rubber die 10a similar, at this, only introduce both difference places, wherein same or analogous assembly label represents same or analogous assembly, in this, repeats no more.
The injection chamber 125 of the pouring gate structure 100b of the present embodiment connects solation road 120 and has the bumper angle 124 of two cambered surfaces, and wherein these bumper angles 124 connect respectively the dual-side of the dual-side 120a in solation road 120 and the die cavity of workpiece 20.When plastics are about to enter die cavity, two bumper angles 124 can increase the flowing space of plastics in injecting chamber 125, therefore can slow down speed and the pressure of plastics and can reduce the temperature that plastics flow to surface of the work, make workpiece 20 after moulding, have good outward appearance.In addition, compared to embodiment mono-, its cambered surface guiding of injecting chamber 125 and increased by two bumper angles 124 of the pouring gate structure 100b of the present embodiment can make plastics pass through this cambered surface to guide, and the diffusivity that increases plastics also makes plastics Fast Filling in die cavity, therefore, can shorten the molding time of workpiece 20.
The 3rd embodiment
Fig. 3 A is the stereogram that enters sealing rubber die of third embodiment of the invention.Fig. 3 B is the front view that enters sealing rubber die of Fig. 3 A.Fig. 3 C is the side view that enters sealing rubber die of Fig. 3 A.Please refer to Fig. 3 A to Fig. 3 C, in the present embodiment, enter sealing rubber die 10c and the second embodiment to enter sealing rubber die 10b similar, at this, only introduce both difference places, wherein same or analogous assembly label represents same or analogous assembly, in this, repeats no more.
The injection chamber 125 of the pouring gate structure 100c of the present embodiment in the width in the cross section 126 of the side away from storage chamber 110 by the central authorities in cross section 126 towards cross section 126 two ends convergent.Therefore, when plastic flow is when injecting chamber 125 and being about to enter die cavity, by the convergent of this cross-sectional width, can slow down the speed of plastics, the design that is same widths compared to the cross section 126 of injecting chamber 125, the present embodiment can slow down the shear heat that plastics and die surface produce because of friction and reduce the temperature that plastics flow to surface of the work, and this contributes to maintain the presentation quality of workpiece 20 after moulding.
The 4th embodiment
Fig. 4 A is the stereogram that enters sealing rubber die of fourth embodiment of the invention.Fig. 4 B is the front view that enters sealing rubber die of Fig. 4 A.Fig. 4 C is the side view that enters sealing rubber die of Fig. 4 A.Please refer to Fig. 4 A to Fig. 4 C, in the present embodiment, enter sealing rubber die 10d and the first embodiment to enter sealing rubber die 10a similar, at this, only introduce both difference places, wherein same or analogous assembly label represents same or analogous assembly, in this, repeats no more.
The sealing rubber die 10a difference of entering of entering sealing rubber die 10d and the first embodiment of the present embodiment is: the injection chamber 125 of pouring gate structure 100d in the width in the cross section 126 of the side away from storage chamber 110 by the central authorities in cross section 126 towards cross section 126 two ends convergent.By this, when plastic flow is when injecting chamber 125 and being about to enter die cavity, by the convergent of this cross-sectional width, can slow down the speed of plastics, the design that is same widths compared to the cross section 126 of injecting chamber 125, the present embodiment can slow down the speed of plastics and the shear heat producing because of friction with die surface.
The 5th embodiment
Fig. 5 A is the stereogram that enters sealing rubber die of fifth embodiment of the invention.Fig. 5 B is the front view of the pouring gate structure of Fig. 5 A.Fig. 5 C is the side view that enters sealing rubber die of Fig. 5 A.Please refer to Fig. 5 A to Fig. 5 C, in the present embodiment, enter sealing rubber die 10e and the second embodiment to enter sealing rubber die 10b similar, at this, only introduce both difference places, wherein same or analogous assembly label represents same or analogous assembly, in this, repeat no more, and its difference is: the solation road 120 of the pouring gate structure 100e of the present embodiment does not have cushion chamber 122.
Say further, the storage chamber 110 of the present embodiment is communicated with running channel 50 and is strip, and storage chamber is in order to store the plastics that inject via running channel 50.Solation road 120 is communicated with storage chamber 110 also in the form of sheets, and solation road 120 is in order to take advantage of the plastics that carry storage chamber 110 inflows, so that plastics are uniformly distributed.Inject the bumper angle 124 that chamber 125 has two cambered surfaces, and these bumper angles 124 connect respectively the dual-side of the dual-side 120a in solation road 120 and the die cavity of workpiece 20.By bumper angle 124, can slow down speed and the pressure of plastics, allow workpiece 20 after moulding, there is good outward appearance.In addition, the cambered surface of bumper angle 124 can increase the diffusivity of plastics and guide plastics and flows into rapidly in die cavity, therefore, can shorten the molding time of workpiece 20.
The 6th embodiment
Fig. 6 A is the stereogram that enters sealing rubber die of sixth embodiment of the invention.Fig. 6 B is the front view that enters sealing rubber die of Fig. 6 A.Fig. 6 C is the side view that enters sealing rubber die of Fig. 6 A.Please refer to Fig. 6 A to Fig. 6 C, in the present embodiment, enter sealing rubber die 10f and the 5th embodiment to enter sealing rubber die 10e similar, at this, only introduce both difference places, wherein same or analogous assembly label represents same or analogous assembly, in this, repeats no more.
The injection chamber 125 of the pouring gate structure 100f of the present embodiment in the width in the cross section 126 of the side away from storage chamber 110 by the central authorities in cross section 126 towards cross section 126 two ends convergent.Therefore, when plastic flow is when injecting chamber 125 and being about to enter die cavity, by the convergent of cross-sectional width, can slow down the speed of plastics, the shear heat being produced because of friction to slow down plastics and die surface, this contributes to maintain the presentation quality of workpiece 20 after moulding.
The 7th embodiment
Fig. 7 A is the stereogram that enters sealing rubber die of seventh embodiment of the invention.Fig. 7 B is the front view that enters sealing rubber die of Fig. 7 A.Fig. 7 C is the side view that enters sealing rubber die of Fig. 7 A.Please refer to Fig. 7 A to Fig. 7 C, in the present embodiment, enter sealing rubber die 10g and the 4th embodiment to enter sealing rubber die 10d similar, at this, only introduce both difference places, wherein same or analogous assembly label represents same or analogous assembly, in this, repeat no more, and its difference is: the solation road 120 of the present embodiment does not have cushion chamber 122.
Say further, the storage chamber 110 of the present embodiment is communicated with running channel 50 and is strip, and storage chamber is in order to store the plastics that inject via running channel 50.Solation road 120 is communicated with storage chamber 110 also in the form of sheets, and solation road 120 carries in order to take advantage of the plastics that storage chamber 110 flows into, so that plastics are uniformly distributed, wherein the injection chamber 125 of pouring gate structure 100g in the width in the cross section 126 of the side away from storage chamber 110 by the central authorities in cross section 126 towards cross section 126 two ends convergent.Therefore, when plastics are about to enter die cavity, by the convergent of this cross-sectional width, can slow down the speed of plastics, the shear heat being produced because of friction to slow down plastics and die surface, this contributes to maintain the presentation quality of workpiece 20 after moulding.
In sum, solation of the present invention road can have bossed storage chamber, inject chamber and can there is the bumper angle of cambered surface or inject the cross-sectional width that chamber has gradual change.By this, can slow down the speed of plastics when penetrating, and reduce the shear heat producing because of friction between plastics and die surface, thereby can reduce the temperature that plastics flow to surface of the work, with reach surface gloss high, without joint line or floating fine effect so that workpiece has preferably outward appearance after moulding.In addition, when the bearing of trend of cushion chamber and the bearing of trend of storage chamber are when parallel, can increase the plot ratio of plastics in cast gate, also contribute to slow down the speed of plastics.
Although the present invention discloses as above with embodiment; so it is not in order to limit the present invention; under any, in technical field, have and conventionally know the knowledgeable; without departing from the spirit and scope of the present invention; when doing a little change and retouching, therefore protection scope of the present invention is as the criterion with the content of being recorded in claim.
Claims (10)
1. enter a sealing rubber die, it is characterized in that, comprising:
One running channel, in order to filling one plastics;
One pouring gate structure, comprising:
One storage chamber, is communicated with this running channel and via this running channel, injects this plastics in order to store;
One solation road, is communicated with this storage chamber, and this solation road is in order to take advantage of year this storage chamber to flow into this plastics, so that these plastics are uniformly distributed, wherein this solation road has the cushion chamber of a projection, in order to change the speed of these plastics in this solation road; And
One injects chamber, and wherein this cushion chamber injects between chamber at this storage chamber and this.
2. as claimed in claim 1ly enter sealing rubber die, it is characterized in that, the bearing of trend of this cushion chamber is parallel to the bearing of trend of this storage chamber.
3. as claimed in claim 1ly enter sealing rubber die, it is characterized in that, the thickness of the projection of this cushion chamber need be less than the thickness of the projection of this storage chamber.
4. as claimed in claim 1ly enter sealing rubber die, it is characterized in that, it is long that the length of this cushion chamber is greater than this injection chamber 1/2nd.
5. as claimed in claim 1ly enter sealing rubber die, it is characterized in that, this injection chamber has the bumper angle of a cambered surface, in order to slow down the injection rate of these plastics.
6. as claimed in claim 5ly enter sealing rubber die, it is characterized in that, the width in cross section that injects chamber in this of the side away from this storage chamber by the central authorities in this cross section towards the two ends in this cross section convergent.
7. as claimed in claim 1ly enter sealing rubber die, it is characterized in that, the width in cross section that injects chamber in this of the side away from this storage chamber by the central authorities in this cross section towards the two ends in this cross section convergent.
8. enter a sealing rubber die, it is characterized in that, comprising:
One running channel, in order to filling one plastics;
One pouring gate structure, comprising:
One storage chamber, is communicated with this running channel and via this running channel, injects this plastics in order to store;
One solation road, is communicated with this storage chamber, and this solation road is in order to take advantage of year this storage chamber to flow into this plastics, so that these plastics are uniformly distributed; And
One injects chamber, has the bumper angle of a cambered surface, and this bumper angle is in order to slow down the injection rate of these plastics.
9. as claimed in claim 8ly enter to water mould, it is characterized in that, the width in cross section that injects chamber in this of the side away from this storage chamber by the central authorities in this cross section towards the two ends in this cross section convergent.
10. enter a sealing rubber die, it is characterized in that, comprising:
One running channel, in order to filling one plastics;
One pouring gate structure, comprising:
One storage chamber, is communicated with this running channel and via this running channel, injects this plastics in order to store;
One solation road, is communicated with this storage chamber, and this solation road is in order to take advantage of year this storage chamber to flow into this plastics, so that these plastics are uniformly distributed; And
One injects chamber, the width in cross section that wherein injects chamber in this of the side away from this storage chamber by the central authorities in this cross section towards the two ends in this cross section convergent.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101134841 | 2012-09-21 | ||
| TW101134841A TWI499495B (en) | 2012-09-21 | 2012-09-21 | Feeding plastic mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103660155A true CN103660155A (en) | 2014-03-26 |
| CN103660155B CN103660155B (en) | 2016-04-20 |
Family
ID=50299525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210396765.2A Expired - Fee Related CN103660155B (en) | 2012-09-21 | 2012-10-18 | Glue feeding mold |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US9168560B2 (en) |
| CN (1) | CN103660155B (en) |
| TW (1) | TWI499495B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934973A (en) * | 2013-01-21 | 2014-07-23 | 汉达精密电子(昆山)有限公司 | Flow backward gate of male die |
| CN105269766A (en) * | 2015-10-30 | 2016-01-27 | 河南平高电气股份有限公司 | Mold gate for pouring insulating cylinder |
| CN107322880A (en) * | 2017-06-26 | 2017-11-07 | 安徽开诚电器有限公司 | In-mold roller mould |
| CN113715270A (en) * | 2021-08-31 | 2021-11-30 | 惠州市盈旺精密技术有限公司 | Advance gluey component and have its mould and injection molding machine |
| CN113733427A (en) * | 2021-09-07 | 2021-12-03 | 广东四会互感器厂有限公司 | Hot curing feeding process for composite material by using casting mold |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105459320B (en) * | 2014-08-08 | 2019-02-19 | 曾昆南 | Composite long fiber product method for making |
| CN109895327B (en) * | 2019-03-20 | 2023-07-18 | 深圳市东方聚成科技有限公司 | Packaging mold with glue feeding buffer assembly and injection method |
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|---|---|---|---|---|
| CN103934973A (en) * | 2013-01-21 | 2014-07-23 | 汉达精密电子(昆山)有限公司 | Flow backward gate of male die |
| CN105269766A (en) * | 2015-10-30 | 2016-01-27 | 河南平高电气股份有限公司 | Mold gate for pouring insulating cylinder |
| CN107322880A (en) * | 2017-06-26 | 2017-11-07 | 安徽开诚电器有限公司 | In-mold roller mould |
| CN113715270A (en) * | 2021-08-31 | 2021-11-30 | 惠州市盈旺精密技术有限公司 | Advance gluey component and have its mould and injection molding machine |
| CN113733427A (en) * | 2021-09-07 | 2021-12-03 | 广东四会互感器厂有限公司 | Hot curing feeding process for composite material by using casting mold |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI499495B (en) | 2015-09-11 |
| TW201412493A (en) | 2014-04-01 |
| US20140083356A1 (en) | 2014-03-27 |
| CN103660155B (en) | 2016-04-20 |
| US9168560B2 (en) | 2015-10-27 |
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